Weather StoryAlmanac, microseasons, and the day's weather story.

Fire Island, New York Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Fire Island weather forecast — hour by hour, 7-day outlook, NOAA radar

Fire Island, NY
Saturday, July 4 at 4:06 PM
90
°
Clear
Feels like
98°
Humidity
62%
Wind
10 mph
Sunrise
1:26 AM
Sunset
4:26 PM
Fire Island, NY
Hour by hour · 24h
24-Hour ForecastFire Island, NY: 24-hour forecast. Temperatures range from 72 to 90 degrees Fahrenheit with a 40% chance of precipitation at 12 AM.
L 72°H 90°
Fire Island, NY
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    33%
    0.01″
    92°75°
  2. Sunday
    Jul 5
    Heavy Rain
    47%
    0.89″
    83°71°-9°
  3. Monday
    Jul 6
    Light Showers
    87%
    0.15″
    72°69°-11°
  4. Tuesday
    Jul 7
    Drizzle
    82%
    0.04″
    73°64°+1°
  5. Wednesday
    Jul 8
    Overcast
    17%
    80°64°+7°
  6. Thursday
    Jul 9
    Light Drizzle
    80°71°
  7. Friday
    Jul 10
    Light Drizzle
    34%
    87°72°+7°
Fire Island, NY
Anemometer · 24h winds · from true
NESW
From · True
SSW
200° · backing 11°
Direction
SSW
200°
Sustained
10
mph
Gust
14
mph
Peak 24h
24
avg 8
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 8 · pk 24 @ 7:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 317SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 11° from the ssw.
Fire Island, NY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.8
-0.6 mb in 3h · falling · 29.88 inHg
Now
1011.8
mb
3h
-0.6
mb
12h
-0.3
mb
24h
-0.3
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10111013
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.01011.41011.8
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Fire Island, NY
Air quality
103
AQI
Unhealthy for Sensitive Groups
+49 in 6hPeak ~145 @ 11 PM

AQI 103 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 49 in the last 6 hours — air quality is degrading. Ozone at AQI 159 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.

PM 2.5Moderate
14.7μg/m³
PM 10Good
17μg/m³
NO₂Good
5μg/m³
OzoneDRIVERUnhealthy
175μg/m³
UV IndexModerate
3.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 159 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 159
UV peak
3.5 at earlier today
Sky at peak
clear
Projected peak
AQI 159

PM × Wind × Precip

PM2.5 at 14.7 µg/m³, PM10 at 17.1 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.86
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Fire Island, NY
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
66.1mi
UNLIMITED
78 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
20:06 UTC · Fire Island, NY · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
20:06 UTC · Fire Island, NY · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Fire Island, NY
Satellite · infrared · animated
Fire Island, NY
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Fire Island, NY
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:54 AM
Sunrise
1:26 AM
Daylight
15h 00m
Sunset
4:26 PM
Civil dusk
9:01 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Fire Island, NY
The moon
Waning Gibbous
79% illuminated
Moonrise
10:47 PM
Moonset
9:55 AM
In sign
♓︎ Pisces
Fire Island, NY
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Fire Island at a glance

  • Today vs. normal: 19°F above the seasonal normal for this latitude
  • Last frost: April 20 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Fire Island

  1. Sat92°75°33%
  2. Sun83°71°47%
  3. Mon72°69°87%
  4. Tue73°64°82%
  5. Wed80°64°17%
  6. Thu80°71°8%
  7. Fri87°72°34%
  8. Sat88°77°34%
  9. Sun85°74°19%
  10. Mon75°68°19%
  11. Tue80°68°18%
  12. Wed83°67°27%
  13. Thu90°75°39%
  14. Fri88°75°34%
  15. Sat86°77°29%
  16. Sun89°77°42%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Fire Island

SPC has placed Fire Island in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

Beaches near Fire Island

Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.

ZIP codes in Fire Island

  • 11770
  • 11772
  • 11706
  • 11782

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.